A/N:Started this story a while ago and just now got around to typing it. Hope you enjoy. PS, Demon is an OC I came up with but have yet to start her own story and how she came to be part of Hellsing. Anyway, hope you enjoy.

Prologue:

Sir Integra Fairbrook Wingates Hellsing was sitting at her desk reviewing casualty reports when an owl flew in through the open window and landed on the desk lamp. She was about to shoo it away when she noticed the letter in its claws. Careful so as not to harm herself, she took the letter and read it.

Dear Sir Integra

I find that I am in dire need of a new Defense Against the Dark Arts teacher and thought who better than someone with extensive knowledge.

We can provide their dietary needs and the proper housing, all we ask in return is for them to not seriously maim any of the students.

Sincerely, Albus Dumbledore

Integra sighed in annoyance as she hear a deep hypnotic and insane chuckle behind her. "What do you want Alucard?" she asked in an annoyed voice.

"So Albus needs a new Defense Against the Dark Arts teacher," he chuckled and moved to lean against the wall near the window. "I would be more than happy to oblige."

"No, Alucard. Knowing you I'll receive a report saying that half of the students have gone missing."

"Not if you send Demon with me," he countered with a mischievous smile. "Plus I'll be out of your hair."

She growled as she quickly wrote a response and handed it to the owl. How she felt sorry for the students and teachers at Hogwarts.